RECON: TNO occultation with 14JN80

Event between 14JN80 and star UC4-418-068673 with event index number of 207408

Geocentric closest approach at 2018/07/23 07:26:02 UTC

J2000 position of star is 17:01:29.1 -06:30:20
Equinox of date position of star is 17:02:26.8 -06:31:50
Stellar brightness R=14.0, use SENSEUP=64
Star is 13 degrees from the moon. Moon is 82% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 37.9 AU from the Sun and 37.2 AU from the Earth.
The TNO is moving 16.8 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 458 seconds.
The 1-sigma cross-track error in the shadow position is 4850 km.
The sky-plane scale is 26972.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.4
Diameter=319.2 km assuming a 5% albedo -- 19.0 sec chord
Diameter=130.3 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 14JN80, (2018/07/23 07:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:32.9 -26:28:18  0.9 21.34   9
13Zet Oph      16:38:11.0 -10:36:12  2.6  7.26   7
23 Oph         16:55:35.3 -06:10:59  5.3  1.75  12
PPM 200270     17:02:34.8 -06:45:44  7.9  0.23  12
PPM 200258     17:01:46.9 -06:35:43  8.8  0.19  12
14JN80         17:02:28.9 -06:31:53 14.0        13
Positions are for equinox of date

This table contains the target star visibility for the RECON network. The observing range has been set to a maximum of 2.0 sigma about the mid-time.
The median site spacing is 18.1 km RECON observability=1.0 and success probability=8.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Oroville 07:22:11 -20.4 Dark Up 26.0 221.4 Low 07:07:11 - 07:37:11 1698
Tonasket 07:22:11 -20.6 Dark Up 26.1 221.4 Low 07:07:11 - 07:37:11 1680
Okanogan 07:22:11 -20.9 Dark Up 26.5 221.4 Low 07:07:11 - 07:37:11 1658
Brewster 07:22:11 -21.2 Dark Up 26.7 221.3 Low 07:07:11 - 07:37:11 1641
Manson/Chelan 07:22:12 -21.3 Dark Up 27.1 221.0 Low 07:07:12 - 07:37:12 1633
Entiat 07:22:12 -21.5 Dark Up 27.3 221.0 Low 07:07:12 - 07:37:12 1618
Wenatchee 07:22:12 -21.8 Dark Up 27.5 221.0 Low 07:07:12 - 07:37:12 1600
Ellensburg 07:22:12 -22.1 Dark Up 27.9 220.9 Low 07:07:12 - 07:37:12 1573
Yakima 07:22:12 -22.5 Dark Up 28.2 221.0 Low 07:07:12 - 07:37:12 1541
Toppenish/White Swan 07:22:11 -22.8 Dark Up 28.3 221.3 Low 07:07:11 - 07:37:11 1520
Goldendale 07:22:11 -23.2 Dark Up 28.9 221.0 Low 07:07:11 - 07:37:11 1486
Pasco 07:22:06 -23.0 Dark Up 27.8 222.6 Low 07:07:06 - 07:37:06 1482
The Dalles 07:22:12 -23.4 Dark Up 29.3 220.8 Low 07:07:12 - 07:37:12 1476
George/Umatilla 07:22:06 -23.3 Dark Up 28.2 222.5 Low 07:07:06 - 07:37:06 1460
PNWRO 07:22:05 -23.3 Dark Up 27.9 222.9 Low 07:07:05 - 07:37:05 1457
Maupin 07:22:11 -23.8 Dark Up 29.5 221.0 Low 07:07:11 - 07:37:11 1441
Madras/Culver 07:22:11 -24.4 Dark Up 30.0 221.2 Low 07:07:11 - 07:37:11 1397
Sisters 07:22:12 -24.6 Dark Up 30.4 220.9 Up 07:07:12 - 07:37:12 1381
Redmond 07:22:10 -24.7 Dark Up 30.2 221.3 Up 07:07:10 - 07:37:10 1369
Bend 07:22:11 -24.9 Dark Up 30.5 221.2 Up 07:07:11 - 07:37:11 1355
Oregon Observatory 07:22:11 -25.0 Dark Up 30.7 221.1 Up 07:07:11 - 07:37:11 1344
La Pine/Gilchrist 07:22:11 -25.2 Dark Up 30.9 221.2 Up 07:07:11 - 07:37:11 1329
North Lake 07:22:09 -25.7 Dark Up 30.9 221.9 Up 07:07:09 - 07:37:09 1279
Chiloquin 07:22:11 -26.2 Dark Up 31.9 221.2 Up 07:07:11 - 07:37:11 1246
Paisley 07:22:06 -26.3 Dark Up 31.1 222.5 Up 07:07:06 - 07:37:06 1224
Klamath Falls 07:22:10 -26.6 Dark Up 32.1 221.5 Up 07:07:10 - 07:37:10 1215
Tulelake 07:22:09 -26.9 Dark Up 32.1 221.9 Up 07:07:09 - 07:37:09 1185
Lakeview 07:22:05 -26.9 Dark Up 31.4 222.9 Up 07:07:05 - 07:37:05 1177
Cedarville 07:22:03 -27.5 Dark Up 31.8 223.3 Up 07:07:03 - 07:37:03 1117
Fall River/Burney 07:22:07 -27.8 Dark Up 32.8 222.3 Up 07:07:07 - 07:37:07 1106
Susanville 07:22:04 -28.5 Dark Up 32.9 223.4 Up 07:07:04 - 07:37:04 1034
Greenville 07:22:05 -28.8 Dark Up 33.2 223.2 Up 07:07:05 - 07:37:05 1018
Gimple 07:22:05 -28.8 Dark Up 33.2 223.3 Up 07:07:05 - 07:37:05 1015
Quincy 07:22:05 -29.0 Dark Up 33.4 223.3 Up 07:07:05 - 07:37:05 1000
Portola 07:22:03 -29.2 Dark Up 33.2 223.8 Up 07:07:03 - 07:37:03 977
Reno 07:22:00 -29.5 Dark Up 33.0 224.6 Up 07:07:00 - 07:37:00 938
Carson City 07:21:59 -29.9 Dark Up 33.3 224.7 Up 07:06:59 - 07:36:59 906
Gardnerville 07:21:59 -30.1 Dark Up 33.4 224.9 Up 07:06:59 - 07:36:59 883
Yerington 07:21:57 -30.2 Dark Up 33.1 225.5 Up 07:06:57 - 07:36:57 872
Hawthorne 07:21:54 -30.7 Dark Up 33.1 226.2 Up 07:06:54 - 07:36:54 818
Lee Vining 07:21:56 -31.2 Dark Up 33.8 226.0 Up 07:06:56 - 07:36:56 780
Tonopah 07:21:48 -31.4 Dark Up 32.6 227.7 Up 07:06:48 - 07:36:48 740
Bishop 07:21:52 -31.9 Dark Up 33.8 227.0 Up 07:06:52 - 07:36:52 708
Niwot 07:21:11 -29.7 Dark Up 24.1 237.4 Low 07:06:11 - 07:36:11 635
Lone Pine 07:21:50 -32.7 Dark Up 34.1 227.7 Up 07:06:50 - 07:36:50 631
Beatty 07:21:46 -32.5 Dark Up 33.1 228.7 Up 07:06:46 - 07:36:46 624
CPSLO 07:22:00 -33.5 Dark Up 36.5 225.8 Up 07:07:00 - 07:37:00 582
Indian Springs 07:21:41 -33.0 Dark Up 32.7 229.9 Up 07:06:41 - 07:36:41 567
Henderson 07:21:38 -33.6 Dark Up 32.6 230.8 Up 07:06:38 - 07:36:38 500
Searchlight/Boulder City 07:21:37 -34.2 Dark Up 33.0 231.1 Up 07:06:37 - 07:36:37 445
Wildwood 07:21:50 -35.1 Dark Up 36.1 228.4 Up 07:06:50 - 07:36:50 415
Patrick 07:21:33 -34.3 Dark Up 32.3 232.1 Up 07:06:33 - 07:36:33 412
Laughlin/Bullhead City 07:21:36 -34.5 Dark Up 32.9 231.6 Up 07:06:36 - 07:36:36 408
Kingman/Dolan Springs 07:21:34 -34.5 Dark Up 32.6 232.0 Up 07:06:34 - 07:36:34 397
Mohave Valley 07:21:36 -34.8 Dark Up 33.1 231.7 Up 07:06:36 - 07:36:36 383
DCO 07:21:30 -34.7 Dark Up 32.1 232.9 Up 07:06:30 - 07:36:30 366
Lake Havasu City 07:21:34 -35.2 Dark Up 33.2 232.1 Up 07:06:34 - 07:36:34 339
Idyllwild 07:21:43 -35.7 Dark Up 35.2 230.4 Up 07:06:43 - 07:36:43 331
Parker 07:21:34 -35.5 Dark Up 33.4 232.4 Up 07:06:34 - 07:36:34 305
Blythe 07:21:34 -36.0 Dark Up 33.9 232.4 Up 07:06:34 - 07:36:34 263
Calipatria 07:21:38 -36.4 Dark Up 34.8 231.8 Up 07:06:38 - 07:36:38 242
Yuma 07:21:34 -37.0 Dark Up 34.5 232.8 Up 07:06:34 - 07:36:34 177

Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.

Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.

Star training set for 14JN80, (2018/07/23 07:26UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 21.34   9
13Zet Oph      16:37:09.6 -10:34:01  2.6  7.26   7
23 Oph         16:54:35.7 -06:09:15  5.3  1.75  12
PPM 200270     17:01:34.9 -06:44:11  7.9  0.23  12
PPM 200258     17:00:47.1 -06:34:09  8.8  0.19  12
14JN80         17:01:29.1 -06:30:20 14.0        12
Positions are for J2000

Event circumstances last updated at 2017/12/05 18:49:32 UT

Marc W. Buie, Southwest Research Institute

RECON